This is documentation for an old release of NumPy (version 1.8.0). Read this page in the documentation of the latest stable release (version > 1.17).
numpy.core.defchararray.isalpha¶
- numpy.core.defchararray.isalpha(a)[source]¶
Returns true for each element if all characters in the string are alphabetic and there is at least one character, false otherwise.
Calls str.isalpha element-wise.
For 8-bit strings, this method is locale-dependent.
Parameters : a : array_like of str or unicode
Returns : out : ndarray
Output array of bools
See also